/* 直接更新state的多个方法的对象 */
import Vue from 'vue'
import {
    RECEIVE_ADDRESS,
    RECEIVE_CATEGORYS,
    RECEIVE_SHOPS,
    RECEIVE_USER_INFO,
    RESET_USER_INFO,
    RECEIVE_INFO,
    RECEIVE_RATINGS,
    RECEIVE_GOODS,
    INCREMENT_FOOD_COUNT,
    DECREMENT_FOOD_COUNT,
    CLEAR_CART,
    RECEIVE_SEARCH_SHOPS
} from './mutation-types'
export default {
    [RECEIVE_ADDRESS] (state,{address}){
        state.address = address
    },
    [RECEIVE_CATEGORYS] (state,{categorys}){
        state.categorys = categorys
    },
    [RECEIVE_SHOPS] (state,{shops}){
        state.shops = shops
    },
    [RECEIVE_USER_INFO] (state,{userInfo}){
        state.userInfo = userInfo
    },
    [RESET_USER_INFO] (state){
        state.userInfo = {}
    },
    [RECEIVE_INFO](state, {info}) {
        state.info = info
    },
    [RECEIVE_RATINGS](state, {ratings}) {
        state.ratings = ratings
    },
    [RECEIVE_GOODS](state, {goods}) {
        state.goods = goods
    },
    [INCREMENT_FOOD_COUNT](state, {food}) {
        if(!food.count){//第一次增加
            // food.count = 1
            Vue.set(food,'count',1)
            // 将food添加到cartFoods中
            state.cartFoods.push(food)
        }else{
            food.count++
        }
    },
    [DECREMENT_FOOD_COUNT](state, {food}) {
        if(food.count){//只有有值才去减
        food.count--
        if(food.count===0){
            // 将food从cartFoods中移除
            state.cartFoods.splice(state.cartFoods.indexOf(food),1)
        }
        }
    
    },
    [CLEAR_CART](state) {
        // 清除food中的count
        state.cartFoods.forEach(food => {
            food.count = 0
        });
        // 移除购物车中所有的购物项
        state.cartFoods = []
    },
    [RECEIVE_SEARCH_SHOPS](state, {searchShops}) {
        state.searchShops = searchShops
    },
}